Overview
The AD9983AKSTZ-140, produced by Analog Devices Inc., is a high-performance 8-bit display interface optimized for capturing YPbPr video and RGB graphics signals. This monolithic analog interface operates at a 140 MSPS encode rate, supporting all HDTV video modes up to 1080i and 720p, as well as graphics resolutions up to SXGA (1280 x 1024 at 75 Hz). The device integrates a 140 MHz triple ADC with an internal reference, a PLL, and programmable gain, offset, and clamp control, making it a comprehensive solution for various display applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Resolution | 8 | 8 | 8 | Bits |
| Sample Rate | 140 | MSPS | ||
| Analog Input Voltage Range | 0.5 | 1.0 | V p-p | |
| Power Supply Voltage (VD, PVD, DAVDD) | 1.7 | 1.8 | 1.9 | V |
| Power Supply Voltage (VDD) | 1.7 | 3.3 | 3.47 | V |
| Supply Current (VD) | 250 | mA | ||
| Supply Current (VDD) | 31 | mA | ||
| Supply Current (PVD) | 9 | mA | ||
| Supply Current (DAVDD) | 16 | mA | ||
| Operating Temperature Range | 0 | 70 | °C |
Key Features
- High-performance 8-bit analog-to-digital conversion at 140 MSPS.
- Full power analog bandwidth of 300 MHz.
- Supports all HDTV video modes up to 1080i and 720p, and graphics resolutions up to SXGA (1280 x 1024 at 75 Hz).
- Includes a 140 MHz triple ADC with an internal reference, a PLL, and programmable gain, offset, and clamp control.
- Programmable via a 2-wire serial interface (I2C).
- Three-state CMOS outputs can be powered from 1.8 V to 3.3 V.
- On-chip PLL generates a sample clock from the tri-level sync (for YPbPr video) or the horizontal sync (for RGB graphics).
- Input buffering, signal dc restoration (clamping), and pixel clock generation are integrated.
- Digital inputs operate to 3.3 V CMOS levels and are 5 V tolerant for certain pins.
Applications
- HDTV video capture and processing.
- RGB graphics capture and processing.
- Display systems requiring high-resolution video and graphics.
- Professional video equipment such as cameras, monitors, and switchers.
- Consumer electronics like TVs, projectors, and gaming consoles.
Q & A
- What is the maximum sample rate of the AD9983AKSTZ-140?
The maximum sample rate is 140 MSPS.
- What is the resolution of the AD9983AKSTZ-140?
The resolution is 8 bits.
- What is the operating temperature range of the AD9983AKSTZ-140?
The operating temperature range is from 0°C to 70°C.
- What types of video modes does the AD9983AKSTZ-140 support?
It supports all HDTV video modes up to 1080i and 720p, as well as graphics resolutions up to SXGA (1280 x 1024 at 75 Hz).
- How is the AD9983AKSTZ-140 programmed?
The device is programmable via a 2-wire serial interface (I2C).
- What is the power supply voltage range for the VDD pin?
The power supply voltage range for the VDD pin is from 1.7 V to 3.47 V.
- What is the typical power dissipation of the AD9983AKSTZ-140?
The typical power dissipation is less than 800 mW.
- How many analog input pins does the AD9983AKSTZ-140 have?
The device has six high impedance analog input pins for the red, green, and blue channels.
- What is the input voltage range for the analog inputs?
The input voltage range for the analog inputs is from 0.5 V to 1.0 V p-p.
- Does the AD9983AKSTZ-140 require any special environmental considerations?
No, the device does not require any special environmental considerations.
